Bus



FIG. 1 is a top, front, and left-side perspective view of a bus showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a left-side elevation view thereof; and,

FIG. 6 is a top plan view thereof.

The bottom view of the bus is not visible during ordinary use and forms no part of the claimed design. The broken lines shown in the drawings illustrate portions of the bus that forms no part of the claimed design. 

CLAIM The ornamental design for a bus, as shown and described. 